Sylvia RoseOct 185 min readTalc (Magnesium Silicate): Beauty, Art & IndustryTalc or hydrated magnesium silicate is a naturally occurring mineral, primarily composed of magnesium, silicon, and oxygen. With its...
Sylvia RoseSep 253 min readOil of Philosophers: Alchemy Health & BeautyOil of Brick is known as Oil of Philosophers by alchemists and Oleum de Lateribus (Oil on the Sides) by apothecaries. This medicinal and...
Sylvia RoseSep 234 min readCorundum: Secrets of Valuable GemstonesCorundum is a mineral composed of aluminum oxide. Living deep within the Earth in an environment of intense heat and pressure, the...
Sylvia RoseSep 13 min readScience of Rust Earth Pigments & ColorsRust is a complex chemical reaction from the interaction of iron, oxygen, and moisture. This common phenomenon produces striking colors...
Sylvia RoseSep 13 min readGoethite: The Other Iron-Rich MineralGoethite is common but like hematite a remarkable iron oxide mineral. In geology and mineralogy, goethite has piqued the interest of...